MCI-2012-181

Common Mode Chokes Overview

The MCI-2012-181 is a surface-mount common mode choke manufactured by Pulse Electronics. It features two lines with an impedance of 180 Ohms at 100 MHz and a maximum current rating of 330 mA. The component has a maximum DC resistance of 350 mOhms and a voltage rating of 50V DC. Designed for compact applications, it utilizes a shielded structure to mitigate electromagnetic interference effectively.

Common Mode Chokes Feature Summary

• Provides effective EMI/RFI suppression through common mode noise filtering
• Compact surface-mount design suitable for space-constrained PCB layouts
• Shielded construction minimizes magnetic field leakage

Common Mode Chokes Applications

• Data line protection in high-speed communication interfaces
• Noise suppression for USB and HDMI signal paths
• EMI filtering in portable consumer electronics

Common Mode Chokes Procurement Notes

Verify the specific suffix (e.g., -RU) against official datasheets to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding package dimensions. Confirm RoHS compliance status directly from the manufacturer's documentation prior to integration into regulated supply chains.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring moderate current handling up to 330 mA with precise impedance characteristics at 100 MHz. Evaluate the low DC resistance to minimize signal attenuation in sensitive data lines. Consider the physical footprint constraints relative to available board space for SMD assembly processes.

Common Mode Chokes Part Context

This part belongs to Pulse Electronics' portfolio of passive components, specifically within the common mode choke category. It is engineered for reliability in automotive and industrial environments, adhering to stringent quality standards. The product line emphasizes miniaturization without compromising noise suppression performance for modern electronic systems.

Common Mode Chokes Replacement Considerations

Cross-reference with MCI-2012-181-RU for identical functional specifications. Verify pinout compatibility and mechanical dimensions before substitution. Ensure equivalent impedance and current ratings are maintained to preserve circuit integrity.